GlobalSpec has asked its users about the latest design trends and features related to Polymers and Plastic Resins. They have also shared their product applications and tips on how to buy and use these products.
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Q:
What would your design or feature "wish list" be for this product?
55 answers
Answers:
The sky is the limit for plastics. We are just now learning about RTL materials and how to use them. Mixing polymers with different continues fiber reinforcements. The injection molding industry has been using metals as inserts for years it would be nice to see the use of metals or RTL as the support structure and use the injection molded polymer to hold it all together. I have seen some of this but not enough cost saving approach to manufacturing.
~Gene Jackson, Engineering Consultant, Deer Park, WA
Low cost, high strength with thin wall, tough, UV stable, resistant to fuels, oils & cleaning products, low shrinkage, dimensionally stable, hi mould flow, low moisture absorption. In short, properties that make the polymer cheap and easy to mould and give a repeatable, stable moulding in an outdoor marine environment.
~Engineering, Design, Portsmouth, Great Britain
Low temperature processing (under 80 degrees C), fast cure (under 10s), excellent chemical resistance to iodine and high bp solvents, thin bondline (10 microns), flexible after curing, excellent water barrier properties.
~Renai, Materials Scientist, Deeside, UK
An universal elastomer or TP for CIP/SIP application, resistant against acid, basic and steam. EPDM does not meet the demands anymore. The Material should meet all requirements like FDA, EN 1935/2004 etc..
~Engineering, Consulting, Hombrechtikon, Switzerland
Wish, that sooner rather than later ,a company emerges with a compound or additive that mixes into any type of plastic you require ,by just adding a certain percentage of some main product .
~Manufacturing, Ireland, Ireland
Better heat transfer capabilities to be more suitable for lighting business. Phosphorized plastic to be used as a filter for different light sources.
~Harri H, Sourcing, Espoo, Finland
Flexible and ductile conductive polymers to replace copper and aluminium as conductors in wires & cables. Self healing polymers.
~NANDA KUMAR NARAYAN, Technical Support, Bangalore, India
Very hydrophilic with ability to make thin portions malleable and alternatively stiff that could also be hollow or carry a chip.
~Douglas S, Research & Development, Jacksonville, FL
Correct stiffness over broad temperature area high resilience chemical resistance over broad spectrum (no harsh environments)
~Niels S, Engineering Consultant, Nijmegen, Netherlands
Thermoformed TPO or LDPE with a capping layer of PVC into roofing shingles with solar collectors imbedded.
~Lee C, Purchaser, Omaha, NE
-55 to 125C operating, ability to use filler, readily bonds to PBT and PE, high elastic modulus, high UTS
~Design Engineer, Chicago, IL
1-different levels of medical grade 2-for automotive applications high temp thermo hardeners, 200 C
~Ton W, Engineering Consultant, Duiven, Netherlands
To make breast Cups in the USA as Vesco has. As well as mini vac for wholesale here in the United States.
~Marketing/Sales, Rockwood, MI
Simple manufacturing process, good process control, good appearance, fast manufacturing cycle time
~Bill M, Senior Mechanical Engineer, Round Rock, TX
Film that is strong, puncture and tear resistant and creep resistant for prolonged outdoor use.
~Yori C, Research & Development, Mishmar HaEmek, Israel
Bucket mould / battery container moulds many versions / battery top covers with many versions
~KAMAL NARIN RAI RAI, Production Engineer, VARANSI, INDIA
High speed seals High abrasion resistance scraper Low friction and wear plastic bearing
~Hiroshi Shimizu, Engineeering constultant, Kawasaki Kanagawa, Japan
Abrasion resistant and self healing sheet products for use in Automotive Glazing.
~Purchasing, Sydney, Australia
Fire free EPDM like high durometer of 85-86 be bondable to other polymers
~Tom F, Manufacturer, Corte Madera, CA
Clear bio-based material that could withstand temperatures up to 210 deg F.
~General Corporate Mgmt, Cross Plains, WI
High modulus and good tribological properties at temperature above 350C.
~Jeff W, Business Development Manager, Engineering Materials, Ashland, VA
Depends on the product, whether it's a rigid or flexible polymer.
~Research & Development, Wilsonville, OR
Hard coating and easy clean antifouling optical grade coating
~Research & Development, Cambridge, Great Britain
Lower operating temps for energy savings Corrosion Resistant
~Richard M, Marketing/Sales, Lynchburg, VA
High strength and replace all metal parts and ide casted part
~Madhukeshwar Talwar, Engineering Consultant, Pune, India
Aesthetics Performance properties - temp, impact, finish
~Robert S, Marketing/Sales, Mississauga, Canada
Part strength and leak proof of assembled plastics taps.
~Rak A, Process Engineer, Merced, CA
Low weight / high mechanical performance combinations
~Technical Support/Services, Pepinster, Belgium
Light weight replacement materials to replace metals
~Peter B, Research & Development, Berry, Australia
Temperature and pressure sensitive applications
~Richard M, Purchaser, Greensboro, NC
The wish is a close collaboration from producer
~José T, Marketing/Sales, Valencia, Spain
Best strength ABS with anti static capability
~Sunil N Kulkarni K, Design Engineer, Pune, India
Low pressure and energy with very easy flow
~Ton A, Manager Operations Molding, Boxtel, Netherlands
Medical Plastics that are already certified
~Art Irons, Engineer, Vadnais Heights, MN
High temp; high strength; machinability
~Kathleen K, Marketing/Sales, Reading, PA
Good performance under low cycle times
~Engineering, Process/Production, Tijuana, Mexico
Equal to in specifications to Titanium
~Andrew S, Research & Development, San Jose, CA
Impact, Processibilty, low price.
~John H, General Corporate Mgmt, Manchester, NH
To be used in electric automobiles
~Erin R, Sales engineer, Milwaukee, WI
Nowadays ecological features
~Kimmo R, Research & Development, Akaa, Finland
Not designing at the moment
~Nicolai Saitcevsky, Ouner, Mexico City, Mexico
Auto interiors, dash board
~Ramana rao B, Divisional manager, Chennai, India
None for our applications.
~Derek K, Naval Architect, Waihi, New Zealand
Lightweight and very stiff
~Matt S, Design Engineer, Wrexham, Uk
Fluidized bed technology
~Engineering, Other, BECCAR, Argentina
Product for human needs
~Engineering, Design, Chennai, India
Metallic colors for ABS
~Ricardo R, Engineer, Carapicuiba, Brazil
Fire retardant propile
~Akiva P, Engineering Consultant, Jerusalem, Israel
Industrial products
~Teo P, Quality Control, Murgab, Kuwait, Philippines
Phenolic Plastics
~Manufacturing, Chennnai, India
Strength, green
~Zane G, Student, Riga, Latvia
High heat clear
~Business Management and Materials Consultant, Atlanta, GA
Biodegradable
~Antonio MAGURNO, Engineering Consultant, Rome, ITALY
Elasticity
~Marlon M, Engineer, Irvine, CA
Car body
~Andika K, Technical administrator, Malang, Indonesia

Top
Q:
Is there any advice you want to share with users to help them avoid common errors in selection or usage of polymers and plastic materials?
33 answers
Answers:
Define the requirements of the part before you pick a material or start a design. Make sure the mold maker is working with the polymer supplier. As with injection molding, gate location, gate type, may or may not give the mechanicals required for the design. Part configuration and mold design will have some effect on the polymers mechanicals.
~Gene Jackson, Engineering Consultant, Deer Park, WA
When doing a "three bid and a buy" approach to procurement, when product is lean, you may be the last to get product. If you build strategic suppliers, you will have security of supply at costs more favorable than the person who was looking for lowest price when product was long.
~Business Management and Materials Consultant, Atlanta, GA
Single sourcing should be avoided Trial new materials as often as possible to get approved functional and chemical replacements Traceability of product to reliable sources will keep the "melamine out of the dog food" GMP should be addressed at both ends of the supply chain.
~Richard M, Marketing/Sales, Lynchburg, VA
Look at total cost of ownership - often people focus on minimizing one area of cost (for example tool cost) that jeopardizes the end product. Lowest cost comes from the right combination of part design, material selection, tooling, manufacturing process.
~Bill M, Senior Mechanical Engineer, Round Rock, TX
Pay attention to creating a full list of specifications / threats first before selecting THE right material. Use preliminary tests on several different polymers to establish threats in an early stage of development.
~Niels S, Engineering Consultant, Nijmegen, Netherlands
If you do not have experience working with, or selecting polymers for applications contact someone who does. If you have only used one or two polymers in the past do not assume you understand polymers.
~Jeff W, Business Development Manager, Engineering Materials, Ashland, VA
Is necessary find out in web sites from suppliers of materials to learn more about polymers and you must clarify yours doubts with to consultants. In my company we use many consulting services.
~Ricardo R, Engineer, Carapicuiba, Brazil
Ask around if you are not sure, internet search or ring relative company and ask chemists Most retailers have only limited knowledge of their products.
~Peter B, Research & Development, Berry, Australia
There is nothing wrong in trying different polymers suitable for particular application and evaluate based on the cost versus strength performance.
~Sriram V, Consultant, Chennai, India
There are so many parameter to select material. Concern about what parameter must be important based on application.
~Hiroshi Shimizu, Engineeering constultant, Kawasaki Kanagawa, Japan
Check produceability with converter and be aware of visual outlook relating to different materials.
~Harri H, Sourcing, Espoo, Finland
Always ask experts if you are not sure whether the polymer will meet the end product requirements.
~NANDA KUMAR NARAYAN, Technical Support, Bangalore, India
See around. See the properties of different kinds of material for better understanding polymers...
~Mario G, Faculty/Staff, Caracas, Venezuela
Understand the operating conditions and environment that you want the materials to perform in.
~Robert S, Marketing/Sales, Mississauga, Canada
Standard practice, research options, validate on small scale, then implement on large scale.
~Renai, Materials Scientist, Deeside, UK
Which encourage their purchases from suppliers that really help them in their daily work
~José T, Marketing/Sales, Valencia, Spain
Understand that plastics react differently than metals relative to heat and machining
~Kathleen K, Marketing/Sales, Reading, PA
Ask material suppliers, they know for what application they created the material for
~Kimmo R, Research & Development, Akaa, Finland
Concern about water vapor in IEC tests The water vapor can damage electrical parts
~Tom F, Manufacturer, Corte Madera, CA
Make sure you know the capabilities of the plastics and the strength
~Erin R, Sales engineer, Milwaukee, WI
Always ask how it is used and think of all the important attributes.
~John H, General Corporate Mgmt, Manchester, NH
Don't choose for the price, choose for the properties you need
~Matt S, Design Engineer, Wrexham, Uk
Know your raw material supplier and his quality well enough
~Product and Marketing Manager, Cham, Switzerland
At least they know the material code that stamped on it
~Andika K, Technical administrator, Malang, Indonesia
Consider specific application & environmental impact
~Teo P, Quality Control, Murgab, Kuwait, Philippines
Understand your needs before selecting any material
~Madhukeshwar Talwar, Engineering Consultant, Pune, India
Check the Fillers and Co-extrusions and Barriers
~Richard M, Purchaser, Greensboro, NC
Not other than boats and small ships
~Derek K, Naval Architect, Waihi, New Zealand
Apply basic principles.
~Rak A, Process Engineer, Merced, CA
Yes for thermohardeners
~Ton W, Engineering Consultant, Duiven, Netherlands
Test, test, test...
~Design Engineer, Chicago, IL
Cheap plastics
~Marlon M, Engineer, Irvine, CA
Not Really
~Marketing/Sales, Rockwood, MI

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